This study introduces the novel fabrication of auxiliary electrodes using silver (Ag) inkjet printing for OLED lighting. Generally, inkjet printing has limits to feature size and resolution due to nozzle size, jetting volume and ink spread. To fabricate narrow auxiliary electrodes, this study introduces a unique line width control method using a hydrophilic track formed by spreading barriers. The grid‐like auxiliary electrodes were fabricated by directly‐patterning of Ag conductive line and insulator. The most densely fabricated grid electrode has the line width of 18 µm, the space distance of 0.15 mm. For the feasibility test of the developed grid‐like auxiliary electrode, we fabricated OLED lighting using ITO electrode substrates printed with the grid‐like auxiliary electrode.
This study introduces area-selective atomic layer deposition (AS-ALD) using fluorocarbon (FC) mask patterns with low surface energy. FC mask patterns were formed on a glass substrate by inkjet printing method. The surface energy of the printed FC thin film was 13.04 dyne/cm enough low to inhibit nucleation and growth during ALD. 10 m wide Al2O3 patterns were selectively formed by removal of FC mask patterns using oxygen plasma after Al2O3 ALD processes.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.